Add a NeedsReboot alert when there are pending kernel upgrades

1 job for master in 5 minutes and 52 seconds (queued for 5 seconds)
Status Job ID Name Coverage
  Test
failed #9043
ai3
run_full_test

00:05:52

 
Name Stage Failure
failed
run_full_test Test
}
ERROR: could not reach virtual machines over SSH
~/builds/20519861/0/ai3/float/test/test-full ~/builds/20519861/0/ai3/float/test/test-full ~/builds/20519861/0/ai3/float/test
==> host2: Forcing shutdown of VM...
==> host2: Destroying VM and associated drives...
==> host1: Forcing shutdown of VM...
==> host1: Destroying VM and associated drives...
~/builds/20519861/0/ai3/float/test/test-full ~/builds/20519861/0/ai3/float/test
ERROR: Job failed: exit status 1